The formula comes in a darkened bottle and is totally safe and nail-friendly, free of hydroquinone (a substance usually found in nail gels), toluene, formaldehyde, dbp and camphor. Easy application and quick drying, for a professional manicure without the use of uv lamps. The film in application is thin, the finish is super lacquered, the color saturated. Thanks to the presence of a polymer and a photo-initiator that crystallizes in sunlight, top coat gel effect superlast guarantees an immediate sealing of the enamel, making it more resistant, long-lasting and shiny.